Tread of a tire



FIG. 1 is a perspective view of a tread of a tire, it being understood that the pattern is repeated uniformly throughout the circumference of the tread and that the opposite side perspective view is a mirror image of that shown; and,

FIG. 2 is an elevational view of the tire tread design shown in FIG. 1.

In the drawings, the broken lines defining the tire inner bead are for illustrative purposes only and form no part of the claimed design. 

The ornamental design for a tread of a tire, as shown and described. 